it looks like a science fiction movie set in here. >> reporter: with 30 inches of concrete protection and generators strong enough to power a small city, murphy says it's practical too. >> reporter: and for those in need of decking out a doomsday pad, specialized developers like the vivos group -- >> we'll get here. >> reporter: -- turned bunkers like this into luxurious survivalist shelters like this. the type of makeover murphy envisions for this shelter that terrorized to move at just $500,000. >> the ideal buyer is going to be somebody not faint of heart or light of wallet. >> reporter: for "good morning america," john schriffen, abc news, new york. >> i don't know. it might cost another half a million dollars to renovate that thing. there's a lot of work that needs to be done. >> if i won the lottery, i might be doing something else with the money. over to ginger zee for another look at the weather. she said she had more bad news for us. we're look forward to that, ginger. >> i sure do. >> she says with a smile on her face. >> yes, if you smile, you make it all the better. i have